Adjust classmethod test for Python 3.9+.

tests/test_outer_classmethod.py

@@ -1,5 +1,6 @@
 from __future__ import print_function
 
+import sys
 import unittest
 import inspect
 import imp
@@ -8,6 +9,8 @@
 
 from compat import PY2, PY3, exec_
 
+PYXY = tuple(sys.version_info[:2])
+
 DECORATORS_CODE = """
 import wrapt
 
@@ -133,11 +136,17 @@ def test_class_call_function(self):
 
         @wrapt.decorator
         def _decorator(wrapped, instance, args, kwargs):
-            self.assertEqual(instance, None)
-            self.assertEqual(args, (Class,)+_args)
+            if PYXY < (3, 9):
+                self.assertEqual(instance, None)
+                self.assertEqual(args, (Class,)+_args)
+            else:
+                self.assertEqual(instance, Class)
+                self.assertEqual(args, _args)
+
             self.assertEqual(kwargs, _kwargs)
             self.assertEqual(wrapped.__module__, _function.__module__)
             self.assertEqual(wrapped.__name__, _function.__name__)
+
             return wrapped(*args, **kwargs)
 
         @_decorator
@@ -167,11 +176,17 @@ def test_instance_call_function(self):
 
         @wrapt.decorator
         def _decorator(wrapped, instance, args, kwargs):
-            self.assertEqual(instance, None)
-            self.assertEqual(args, (Class,)+_args)
+            if PYXY < (3, 9):
+                self.assertEqual(instance, None)
+                self.assertEqual(args, (Class,)+_args)
+            else:
+                self.assertEqual(instance, Class)
+                self.assertEqual(args, _args)
+
             self.assertEqual(kwargs, _kwargs)
             self.assertEqual(wrapped.__module__, _function.__module__)
             self.assertEqual(wrapped.__name__, _function.__name__)
+
             return wrapped(*args, **kwargs)
 
         @_decorator